Table 1.
Nine resultant subgroups from clustering analysis.
| Subgroups | n (Total = 1093) | SRS (s.d.): Social Deficits | SCARED-p (s.d.): Anxiety | ARI-p (s.d.): Reactivity | SDQ-Hyperactivity (s.d.) | CBCL-AB (s.d.): Aggression | CBCL-AP (s.d.): Attention Problems | CBCL-WD (s.d.): Depression | Mean Age (s.d.) | Gender Ratio | Mean FSIQ (s.d.) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Subgroup 1 (AnxDep) | 61 | 88.7* (26.0) | 40.0* (13.0) | 6.1 (3.0) | 5.9 (1.9) | 12.6 (3.8) | 10.8* (3.4) | 8.4* (3.1) | 12.7 (2.7) | 35:26 | 96.9 (14.2) |
| Subgroup 2 | 221 | 24.4 (13.8) | 6.7 (5.1) | 0.8 (1.4) | 2.0 (1.5) | 1.9 (2.3) | 2.1 (2.1) | 0.8 (1.2) | 11.2 (2.9) | 114:107 | 101.9 (15.2) |
| Subgroup 3 | 124 | 45.6 (16.2) | 22.8 (10.2) | 2.8 (2.1) | 3.1 (1.7) | 5.4 (3.6) | 4.9 (3.0) | 4.5 (2.5) | 12.3 (3.1) | 59:65 | 100.1 (15.6) |
| Subgroup 4 (Attn) | 82 | 93.5* (22.5) | 20.0 (9.4) | 2.2 (1.9) | 7.5* (1.9) | 7.4 (4.0) | 12.6* (2.7) | 5.5 (2.4) | 11.7 (3.1) | 57:25 | 93.3 (15.3) |
| Subgroup 5 | 130 | 53.3 (18.3) | 11.6 (7.7) | 7.5 (1.9) | 6.0 (1.9) | 14.0 (5.0) | 8.7 (2.8) | 2.6 (2.0) | 10.6 (2.9) | 90:40 | 99.5 (14.5) |
| Subgroup 6 | 141 | 30.6 (11.5) | 5.9 (5.0) | 1.1 (1.5) | 6.2 (1.6) | 3.9 (3.1) | 8.0 (2.6) | 0.9 (1.0) | 10.8 (2.9) | 99:42 | 98.7 (15.1) |
| Subgroup 7 (Emot) | 107 | 98.3* (20.7) | 24.7 (11.8) | 8.7* (2.3) | 8.4* (1.5) | 20.1* (5.0) | 13.3* (3.4) | 5.9 (3.0) | 10.7 (2.8) | 71:36 | 95.7 (15.4) |
| Subgroup 8 | 104 | 55.5 (17.9) | 14.3 (9.6) | 3.0 (2.0) | 8.6* (1.4) | 10.1 (4.6) | 12.9* (2.3) | 1.7 (1.5) | 10.1 (2.3) | 78:26 | 98.3 (15.0) |
| Subgroup 9 | 123 | 63.3 (16.9) | 14.0 (7.4) | 1.7 (1.7) | 5.9 (1.4) | 4.4 (2.9) | 6.9 (2.1) | 2.0 (1.6) | 10.6 (2.8) | 77:46 | 96.1 (15.6) |
*Values surpassing high clinical levels of each score.
Ranges for each score: SRS: 0 to 123+; SCARED-p: 0 to 82; ARI-p: 0 to 12; SDQ-Hyperactivity: 0 to 10; CBCL-AB: 0 to 40+; CBCL-AP: 0 to 22+; CBCL-WD: 0 to 17+. Age ranges: Subgroup 1 (AnxDep): 6.9 to 17.1; Subgroup 2: 6.0 to 17.7; Subgroup 3: 5.8 to 17.9; Subgroup 4 (Attn): 6.6 to 17.7; Subgroup 5: 5.8 to 17.6; Subgroup 6: 6.0 to 17.7; Subgroup 7 (Emot): 6.1 to 17.3; Subgroup 8: 6.2 to 16.4; Subgroup 9: 6.1 to 17.6.
Mean behavioral scores and demographic data for each subgroup, including our three high autistic traits subgroups of interest (highlighted). Behavioral scores with a clinically high threshold were bolded and denoted with a “*” superscript (s.d = Standard Deviation).